H. B. D. Kettlewell
Henry Bernard Davis Kettlewell, MD, an outstanding physician, lepidopterist and geneticist, is best known for his work on industrial melanism that so elegantly illustrates evolution in action it is now a feature of almost all basic biological texts. Kettlewell was also an energetic field researcher and co-founder of the significant Rothschild-Cockayne-Kettlewell Lepidoptera Collection in the